Finding the Fourth Proportional to 4,995,749.76, 6,894,260.66 and 3,063,075.99
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Solution
The fourth proportional to 4,995,749.76, 6,894,260.66 and 3,063,075.99 is: 4,227,122.11
Step by Step Solution
- Step 1: Write the proportion equation
4,995,749.76 : 6,894,260.66 = 3,063,075.99 : x - Step 2: Convert to fraction form
4,995,749.76/6,894,260.66 = 3,063,075.99/x - Step 3: Cross multiply
4,995,749.76x = 6,894,260.66 × 3,063,075.99 - Step 4: Simplify right side
4,995,749.76x = 21,117,644,281,132.18 - Step 5: Solve for x
x = 21,117,644,281,132.18/4,995,749.76 - Step 6: Final answer
x = 4,227,122.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.